| 熱電対 | thermocouple |
| 好一対 | well-matched |
| 原告対被告 | plaintiff versus defendant |
| 国会対策委員会 | committee of the National Diet |
| 失対 | measure against unemployment |
| 選対本部 | election headquarters |
| 対外政策に沿って | in line with the foreign policy |
| 対生葉 | opposite leaves |
| 対戦車砲 | antitank gun |
| 対中国関係 | relations with China |
| 対日感情 | feeling (sentiment) toward Japan |
| 対聯 | couplet, distich |
| 対スコア | tie score |
| 対になる | to form a pair, to pair up |
| 反対に回る | to go into opposition |
| 対象外 | not covered (by), not subject (to) |
| 反対称的 | antisymmetric |
| 絶対敬語 | absolute respectful speech, absolute honorifics |
| 相対敬語 | relative respectful speech, relative honorifics |
| 緊急対策 | emergency measures, urgent countermeasures |
| 公害対策 | anti-pollution measures |
| 絶対君主制 | absolute monarchy |
| 絶対権力 | absolute authority or power (over someone or something) |
| 対空射撃 | anti-aircraft fire, shooting at an aircraft (from ground or ship) |
| 対向車線 | opposite lane, oncoming lane, opposite side of the road |
| 対抗意識 | (sense of) rivalry, competitiveness |
| 対数表 | table of logarithms, log table, log tables |
| 対戦成績 | win-loss records (between A and B) |
| 対地攻撃 | ground attack, air-raid |
| 対地速度 | groundspeed |
| 反対意見 | dissenting opinion, opposition viewpoint, contra (view) |
| 反対派 | opposition faction |
| 対世効 | binding legal effectiveness as to third parties |
| 対極 | other (opposite) extreme, opposite, antithesis |
| 対地 | ground to ground |
| インフレ対策 | counter-inflation measures |
| マントル対流論 | mantle convection theory |
| 一般相対性理論 | general theory of relativity |
| 回転対称 | rotation symmetry |
| 軍事対決 | military confrontation |
| 景気対策 | economic measure |
| 経済対策 | economic measure |
| 疾病対策センター | Centers for Disease Control and Prevention, CDC |
| 政治対話 | political dialogue |
| 絶対過半数 | absolute majority |
| 対外投資 | foreign investment |
| 対共産圏輸出統制委員会 | Coordination Committee on Multilateral Export Controls |
| 対決法案 | controversial legislation |
| 対敵諜報機関 | counterintelligence agency |
| 対内投資 | inward investment |
| 対立関係 | antagonism |
| 敵対関係 | antagonism |
| 敵対的企業買収 | hostile buyout |
| 反対弁論 | opposing speech, rebuttal (in debate) |
| 非常用対策案 | contingency plan |
| 非対称戦争 | asymmetric war |
| 対物レンズ | objective lens |
| 絶対安静 | complete bed rest, complete rest and quiet |
| 絶対服従 | absolute obedience, complete submission |
| 善後対策 | remedial measure, preventive measure, the best way to cope with (meet) the situation |